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4th Street East Bridge

Photos 

Nathanson Creek Bridge

Looking South

Photo taken by Craig Philpott in December 2009

Enlarge

BH Photo #151044

Map 

Street View 

Facts 

Overview
Closed spandrel Concrete arch bridge over Nathanson Creek on 4th Street East in Sonoma
Location
Sonoma County, California
Status
Open to traffic
History
Built 1914
Design
Concrete closed spandrel Arch
Dimensions
Length of largest span: 29.9 ft.
Total length: 35.1 ft.
Deck width: 21.7 ft.
Also called
4th Street East Bridge
Nathanson Creek Bridge
Approximate latitude, longitude
+38.29256, -122.44968   (decimal degrees)
38°17'33" N, 122°26'59" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/548124/4238419 (zone/easting/northing)
Quadrangle map:
Sonoma
Inventory numbers
CA 20C-495 (California bridge number)
BH 11623 (Bridgehunter.com ID)
Inspection (as of 06/2015)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 52.4 (out of 100)
Average daily traffic (as of 2012)
2,100

Categories 

Arch (11,192)
Built 1914 (717)
Built during 1910s (8,752)
California (2,308)
Closed-spandrel arch (3,602)
Deck arch (10,431)
Functionally obsolete (7,989)
Have street view (22,077)
Open (36,567)
Owned by city (4,488)
Skewed (4,672)
Sonoma County, California (77)
Span length 25-50 feet (13,569)
Total length 25-50 feet (9,850)

Update Log 

  • June 6, 2010: Updated by Craig Philpott: corrected location
  • February 19, 2010: Updated by Craig Philpott: Corrected design
  • December 27, 2009: Updated by Craig Philpott: Added Photos

Sources